Analysis

  • max time kernel
    156s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-03-2024 02:19

General

  • Target

    e7b6455dadedb377bdb815dc52c9cd35fe6c149d15989cc98b2703a4b5ede945.dll

  • Size

    339KB

  • MD5

    8cdca950c533d8609d907dd339945af3

  • SHA1

    464e6a181aac696c712059eb33af619d38fd90de

  • SHA256

    e7b6455dadedb377bdb815dc52c9cd35fe6c149d15989cc98b2703a4b5ede945

  • SHA512

    3276ee2642497c0b8e4272c43b08f490ec3d35b44328ef2ce86b4c0b206a4a8cfcb57bd87838c0ba0d8b264c10072ef75429528cb5951cfe5bbca733f2b76950

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0F:jDgtfRQUHPw06MoV2nwTBlhm8N

Score
10/10

Malware Config

Signatures

  • Yunsip

    Remote backdoor which communicates with a C2 server to receive commands.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\e7b6455dadedb377bdb815dc52c9cd35fe6c149d15989cc98b2703a4b5ede945.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e7b6455dadedb377bdb815dc52c9cd35fe6c149d15989cc98b2703a4b5ede945.dll,#1
      2⤵
        PID:1892
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2364

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads